The document discusses verb tenses in English. It explains that tense indicates time and verbs are used to show if an action happened in the past, present or future. The present tense uses the base verb form or adds 's' for third person singular. The past tense adds 'ed' to most verbs. The future tense adds the helping verbs 'will' or 'shall' plus the base verb form. Examples are given of verbs in the present, past and future tenses.